Sobol’s sensitivity indices
Sensitivity analysis of a hybrid-electric aircraft powertrain based on Sobol indices
... a sensitivity analysis approach based on Sobol indices applied to a series hybrid architecture of aircraft ...several sensitivity analyses have been proposed starting with a global vision of ...
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Understanding LCA results variability: developing global sensitivity analysis with Sobol indices. A first application to photovoltaic systems
... 5. CONCLUSION This approach has proposed a methodology to assess the LCA results variability using the Global Sensitivity Approach based on Sobol indices. This new method applied to a large set of PV ...
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Sensitivity Analysis and Generalized Chaos Expansions. Lower Bounds for Sobol indices
... 3 Electricit´ e de France R&D, 6 quai Watier, Chatou, F-78401, France Abstract The so-called polynomial chaos expansion is widely used in com- puter experiments. For example, it is a powerful tool to estimate ...
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Sensitivity analysis of a hybrid-electric aircraft powertrain based on Sobol indices
... 5.1. Sensitivity analysis without constraints. In this section, the electromechanical powertrain efficiency during the cruise, the mass, and the constraints have been stored as outputs in order to determine the ...
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Sensitivity analysis via Karhunen-Loève expansion of a random field model: estimation of Sobol' indices and experimental design
... which Sobol' sensitivity indices can be estimated ...the indices can be derived, and its normal approximation can be used to design experiments especially adapted to their ...
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Sensitivity indices for independent groups of variables
... of Sobol indices and Shapley effects and their ...these sensitivity indices with independent groups of input ...variance-based sensitivity indices in this ...variance-based ...
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Kernel-based sensitivity indices for high-dimensional optimization problems
... DoE Model choice Fit the model Figure 4.1 – Different steps for building a surrogate model. but without being fully exhaustive. The experimental design X where the model will be queried to obtain the corresponding sim- ...
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Uncertainties assessment in global sensitivity indices estimation from metamodels
... the Sobol index, as what is actually estimated is sensitivity of surrogate output, and not the full one; we call this bias the metamodel ...the Sobol index are estimated using the conditional ...
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Generalized Hoeffding-Sobol Decomposition for Dependent Variables - Application to Sensitivity Analysis
... generalized sensitivity indices are in this case the classical Sobol ...Hoeffding- Sobol decomposition of the output on the input pairs, as developped in ...
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Construction of bootstrap confidence intervals on sensitivity indices computed by polynomial chaos expansion
... of Sobol' index estimator computed by Monte Carlo or by a convergent meta-model, the standard interval is not studied here because the hypothesis of normality of the bootstrap dis- tribution is never verified in ...
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Construction of bootstrap confidence intervals on sensitivity indices computed by polynomial chaos expansion
... of sensitivity indices are ...of sensitivity indices, when they are estimated by ...obtain sensitivity indices with a given level of ...a sensitivity analysis on a finite ...
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Sobol Global Sensitivity Analysis of a Coupled Surface/Subsurface Water Flow and Reactive Solute Transfer Model on a Real Hillslope.
... global Sobol sensitivity analysis is performed on a vineyard hillslope for a one hour intensive rain event with the CATHY (CATchment HYdrology) integrated surface/subsurface ...the Sobol ...
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Latin Hypercube Sampling of Gaussian random field for Sobol' global sensitivity analysis of models with spatial inputs and scalar output
... variance-based Sobol' approach is one of the few global sensitivity analysis methods that is suitable for complex models with spatially distributed ...compute sensitivity indices: in the case ...
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Randomized pick-freeze for sparse Sobol indices estimation in high dimension
... Context: Sensitivity analysis and Sobol indices Some mathematical models encountered in applied sciences involve a large number of poorly-known parameters as ...is sensitivity analysis, which ...
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Iterative estimation of Sobol’ indices based on replicated designs
... by Sobol’ [1] relies on the calculation of sensitivity measures called Sobol’ ...the Sobol’ indices which are scalars between 0 and ...first-order indices that estimate the main ...
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A note on the Sobol' indices and interactive criteria
... In applications, interpretation of models and their sensitivity analysis is important for the user. The following example illustrates that several sensitivity analyses can be necessary. Example 2 (Ex. 1 ...
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Replication procedure for grouped Sobol' indices estimation in dependent uncertainty spaces
... by Sobol’ [1] allows to calculate sensitivity indices called Sobol’ ...These indices give an estimation of how the output uncertainty can be apportioned to the uncertainty in the ...
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A sensitivity analysis of q-space indices with respect to changes in axonal diameter, dispersion and tissue composition
... how indices change (positively or negatively) when a particular tissue parameter is ...index’s sensitivity to that tissue ...q-space indices and the dashed lines DT ...
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Ellipsis without indices
... of indices in syntactic and logical ...view, indices are syntactic formants on a par with node labels and phrase bracketings, and are thus a part of the logical forms that are derived from syntactic ...of ...
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STARECAPMED, des indices pour La Méditerranée
... différents indices et indicateurs y sont développés en collaboration avec de nombreux laboratoires ...ces indices écologiques testés dans la baie de Calvi est ici ...
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